:root {
  --light-background-color: #fafafa;
  --light-foreground-color: #262626;
  --light-muted-foreground-color: #525252;
  --light-highlight-flash-color: #a3a3a3;
  --dark-background-color: #0a0a0a;
  --dark-foreground-color: #e5e5e5;
  --dark-muted-foreground-color: #a3a3a3;
  --dark-highlight-flash-color: #525252;
  color-scheme: light dark;
}

html {
  background-color: light-dark(var(--light-background-color),
      var(--dark-background-color));
  color: light-dark(var(--light-foreground-color),
      var(--dark-foreground-color));
}

body {
  font-family: monospace;
  font-size: 1rem;
  line-height: 1.5rem;
  letter-spacing: 0.01rem;
  margin: 0;
  padding: 0;
}

footer {
  margin-top: 2rem;
  color: light-dark(var(--light-muted-foreground-color),
      var(--dark-muted-foreground-color));
}

h1,
h2,
h3 {
  font-size: inherit;
  margin-top: 2rem;
}

a {
  color: light-dark(var(--light-foreground-color),
      var(--dark-foreground-color));
}

a:focus-visible {
  background-color: light-dark(var(--light-foreground-color),
      var(--dark-foreground-color));
  color: light-dark(var(--light-background-color),
      var(--dark-background-color));
  outline: none;
  forced-color-adjust: preserve-parent-color;
}

a[aria-current="page"]::before {
  content: "[";
  display: inline-block;
}

a[aria-current="page"]::after {
  content: "]";
  display: inline-block;
}

hr {
  margin-top: 2rem;
  margin-bottom: 2rem;
  border-color: light-dark(var(--light-muted-foreground-color),
      var(--dark-muted-foreground-color));
}

.wrapper {
  height: 100%;
  max-width: 80ch;
  padding-left: 1rem;
  padding-right: 1rem;
}

.sr-only {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus-visible {
  display: block;
  position: relative;
  left: -1rem;
  width: calc(100vw - 1rem);
  height: auto;
  padding-left: 1rem;
}

.primary-nav {
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
}

.primary-nav-link {
  display: inline-flex;
  gap: 0.2rem;
}

.external {
  position: relative;
  padding-right: 1rem;
}

.external::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0.857rem;
  height: 0.857rem;
  -webkit-mask-image: url("/external-link.svg");
  mask-image: url("/external-link.svg");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  background-color: currentColor;
}

#main:target {
  animation-duration: 750ms;
  animation-name: highlight-flash;
  animation-timing-function: ease-in-out;
  forced-color-adjust: preserve-parent-color;
}

@keyframes highlight-flash {
  0% {
    background-color: light-dark(var(--light-highlight-flash-color),
        var(--dark-highlight-flash-color));
  }

  100% {
    background-color: light-dark(var(--light-background-color),
        var(--dark-background-color));
  }
}

@media (forced-colors: active) {
  a:focus-visible {
    background-color: LinkText;
    color: AccentColorText;
  }

  #main:target::selection {
    background-color: Highlight;
    color: HighlightText;
  }
}